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Diffstat (limited to 'libjava/java/awt/event/HierarchyEvent.java')
| -rw-r--r-- | libjava/java/awt/event/HierarchyEvent.java | 253 |
1 files changed, 0 insertions, 253 deletions
diff --git a/libjava/java/awt/event/HierarchyEvent.java b/libjava/java/awt/event/HierarchyEvent.java deleted file mode 100644 index e10cefbefcb..00000000000 --- a/libjava/java/awt/event/HierarchyEvent.java +++ /dev/null @@ -1,253 +0,0 @@ -/* HierarchyEvent.java -- generated for a change in hierarchy - Copyright (C) 2000, 2002 Free Software Foundation - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.awt.event; - -import java.awt.AWTEvent; -import java.awt.Component; -import java.awt.Container; - -/** - * This class represents an event generated for an ancestor component which - * may affect this component. These events normally do not need to be handled - * by the application, since the AWT system automatically takes care of them. - * - * <p>There are two types of hierarchy events. The first type is handled by - * HierarchyListener, and includes addition or removal of an ancestor, or - * an ancestor changing its on-screen status (visible and/or displayble). The - * second type is handled by HierarchyBoundsListener, and includes resizing - * or moving of an ancestor. - * - * @author Bryce McKinlay - * @see HierarchyListener - * @see HierarchyBoundsAdapter - * @see HierarchyBoundsListener - * @since 1.3 - * @status updated to 1.4 - */ -public class HierarchyEvent extends AWTEvent -{ - /** - * Compatible with JDK 1.3+. - */ - private static final long serialVersionUID = -5337576970038043990L; - - /** This is the first id in the range of ids used by this class. */ - public static final int HIERARCHY_FIRST = 1400; - - /** This id indicates that the hierarchy tree changed. */ - public static final int HIERARCHY_CHANGED = 1400; - - /** This id indicates that an ancestor was moved. */ - public static final int ANCESTOR_MOVED = 1401; - - /** This id indicates that an ancestor was resized. */ - public static final int ANCESTOR_RESIZED = 1402; - - /** This is the last id in the range of ids used by this class. */ - public static final int HIERARCHY_LAST = 1402; - - /** This indicates that the HIERARCHY_CHANGED is a changed parent. */ - public static final int PARENT_CHANGED = 1; - - /** - * This indicates that the HIERARCHY_CHANGED is caused by a change in - * displayability. - * - * @see Component#isDisplayable() - * @see Component#addNotify() - * @see Component#removeNotify() - */ - public static final int DISPLAYABILITY_CHANGED = 2; - - /** - * This indicates that the HIERARCHY_CHANGED is a changed visibility. - * - * @see Component#isShowing() - * @see Component#addNotify() - * @see Component#removeNotify() - * @see Component#show() - * @see Component#hide() - */ - public static final int SHOWING_CHANGED = 4; - - /** - * The component at the top of the changed hierarchy. - * - * @serial the top component changed - */ - private final Component changed; - - /** - * The parent of this component, either before or after the change depending - * on the type of change. - * - * @serial the parent component changed - */ - private final Container changedParent; - - /** - * The bitmask of HIERARCHY_CHANGED event types. - * - * @serial the change flags - */ - private final long changeFlags; - - /** - * Initializes a new instance of <code>HierarchyEvent</code> with the - * specified parameters. Note that an invalid id leads to unspecified - * results. - * - * @param source the component whose hierarchy changed - * @param id the event id - * @param changed the top component in the tree of changed hierarchy - * @param changedParent the updated parent of this object - * @throws IllegalArgumentException if source is null - */ - public HierarchyEvent(Component source, int id, Component changed, - Container changedParent) - { - this(source, id, changed, changedParent, 0); - } - - /** - * Initializes a new instance of <code>HierarchyEvent</code> with the - * specified parameters. Note that an invalid id leads to unspecified - * results. - * - * @param source the component whose hierarchy changed - * @param id the event id - * @param changed the top component in the tree of changed hierarchy - * @param changedParent the updated parent of this object - * @param changeFlags the bitmask of specific HIERARCHY_CHANGED events - * @throws IllegalArgumentException if source is null - */ - public HierarchyEvent(Component source, int id, Component changed, - Container changedParent, long changeFlags) - { - super(source, id); - this.changed = changed; - this.changedParent = changedParent; - this.changeFlags = changeFlags; - } - - /** - * This method returns the event source as a <code>Component</code>. If the - * source has subsequently been modified to a non-Component, this returns - * null. - * - * @return the event source as a <code>Component</code>, or null - */ - public Component getComponent() - { - return source instanceof Component ? (Component) source : null; - } - - /** - * Returns the component at the top of the hierarchy which changed. - * - * @return the top changed component - */ - public Component getChanged() - { - return changed; - } - - /** - * Returns the parent of the component listed in <code>getChanged()</code>. - * If the cause of this event was <code>Container.add</code>, this is the - * new parent; if the cause was <code>Container.remove</code>, this is the - * old parent; otherwise it is the unchanged parent. - * - * @return the parent container of the changed component - */ - public Container getChangedParent() - { - return changedParent; - } - - /** - * If this is a HIERARCHY_CHANGED event, this returns a bitmask of the - * types of changes that took place. - * - * @return the bitwise or of hierarchy change types, or 0 - * @see #PARENT_CHANGED - * @see #DISPLAYABILITY_CHANGED - * @see #SHOWING_CHANGED - */ - public long getChangeFlags() - { - return changeFlags; - } - - /** - * This method returns a string identifying this event. This is the field - * name of the id type, followed by a parenthesized listing of the changed - * component and its parent container. In addition, if the type is - * HIERARCHY_CHANGED, the flags preceed the changed component, in the - * order PARENT_CHANGED, DISPLAYABILITY_CHANGED, and SHOWING_CHANGED. - * - * @return a string identifying this event - */ - public String paramString() - { - StringBuffer r = new StringBuffer(); - switch (id) - { - case HIERARCHY_CHANGED: - r.append("HIERARCHY_CHANGED ("); - if ((changeFlags & PARENT_CHANGED) != 0) - r.append("PARENT_CHANGED,"); - if ((changeFlags & DISPLAYABILITY_CHANGED) != 0) - r.append("DISPLAYABILITY_CHANGED,"); - if ((changeFlags & SHOWING_CHANGED) != 0) - r.append("SHOWING_CHANGED,"); - break; - case ANCESTOR_MOVED: - r.append("ANCESTOR_MOVED ("); - break; - case ANCESTOR_RESIZED: - r.append("ANCESTOR_RESIZED ("); - break; - default: - return "unknown type"; - } - r.append(changed).append(',').append(changedParent).append(')'); - return r.toString(); - } -} // class HierarchyEvent |